'use strict'

process.chdir(__dirname)

const titbit = require('titbit')
const fs = require('fs')
const pg = require('pg')
const dbconfig = require('./dbconfig.js')
const wxkey = require('./wxkey.js')

const tbloader = require('titbit-loader')

const token = require('titbit-token')

let tok = new token({
    //token有效期，单位是秒
    expires: 30,

    //必须是32位字母数字
    key: 'qwertyuiop123asdfghjkl456zxcvbnm',

    //必须是16位字母数字
    iv: '1qwertyuiop2asdf'
})

//使用HTTP/1.1的客户端
const {httpcli} = require('gohttp')

//初始化数据库连接
let psql = new pg.Pool(dbconfig)

try {
    fs.accessSync('./images')
}catch(err) {
    fs.mkdirSync('./images')
}

let cert_path = '/usr/local/share'

const app = new titbit({
    //开启调试模式，会输出错误信息
    debug: true,
    globalLog: true,
    cert: `${cert_path}/api.ymhjz.xyz.pem`,
    key: `${cert_path}/api.ymhjz.xyz.key`
})

let tb = new tbloader();
tb.init(app)

//就是在app.service对象上添加了一个属性
app.addService('tok', tok);
app.addService('psql', psql);

app.addService('imagePath', `${__dirname}/images`)

// c 就是 context
app.get('/', async c => {
    c.send('ok')
})

app.get('/upload', async c => {
    //c.helper是助手函数模块，其中有对stream.pipe的封装
    //c.reply是响应函数，http/1.1中指向response，http/2中指向stream
    await c.helper.pipe('./upload.html', c.reply)
})

app.get('/user/:name/:age/:mobile', async c => {
    console.log(c.param)
    c.send(c.param)
})

app.get('/mp-login/:code', async c => {
    
    let auth_url = 'https://api.weixin.qq.com/sns/jscode2session'
        + `?appid=${wxkey.appid}`
        + `&secret=${wxkey.secret}`
        + `&js_code=${c.param.code}`
        + `&grant_type=authorization_code`

    let ret = await httpcli.get(auth_url)
                            .then(res => {
                                return res.json()
                            })
                            
    c.send( tok.make(ret) )
})

//监听1234端口
app.run(2004)